Universal power supply unit



FIG. 1.1 is a perspective view of a universal power supply unit according to our new design;

FIG. 1.2 is a rear view thereof;

FIG. 1.3 is a bottom plan view thereof;

FIG. 1.4 is a top plan view thereof; and

FIG. 1.5 is a left side view thereof.

The broken lines show environmental structure that forms no part of the claimed design. 

CLAIM The ornamental design for a universal power supply unit, as shown and described. 